﻿// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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using System;
using ICSharpCode.Core;
using ICSharpCode.SharpDevelop.Gui;
using ICSharpCode.SharpDevelop.Workbench;

namespace ICSharpCode.SharpDevelop
{
	/// <summary>
	/// Tests if the active view content is untitled.
	/// </summary>
	/// <attributes name="activewindowuntitled">Boolean value to test against.</attributes>
	/// <example title="Test if the active view content is untitled">
	/// &lt;Condition name = "ActiveViewContentUntitled" activewindowuntitled="True"&gt;
	/// - or -
	/// &lt;Condition name = "ActiveViewContentUntitled"&gt;
	/// </example>
	/// <example title="Test if the active view content has a title">
	/// &lt;Condition name = "ActiveViewContentUntitled" activewindowuntitled="False"&gt;
	/// </example>
	public class ActiveViewContentUntitledConditionEvaluator : IConditionEvaluator
	{
		public bool IsValid(object caller, Condition condition)
		{
			if (SD.Workbench == null) {
				return false;
			}
			
			IViewContent viewContent = SD.Workbench.ActiveViewContent;
			if (viewContent == null || viewContent.PrimaryFile == null) {
				return false;
			}
			
			if (!condition.Properties.Contains("activewindowuntitled"))
				return viewContent.PrimaryFile.IsUntitled;
			bool activewindowuntitled = Boolean.Parse(condition.Properties["activewindowuntitled"]);
			return viewContent.PrimaryFile.IsUntitled == activewindowuntitled;
		}
	}
}
